Perhaps you should try some spelling variations:
alterations conditional » interactions conditional, alterations nutritional, generation conditional
conditional programming » additional programming, functional programming, nutritional programming
recursion assays » reduction assays, precursors assays, resorption assays
recursion arrays » recursion versus

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• The words AND, OR and NOT may confuse the search; try adding quotes: "alterations conditional programming ((recursion assays) OR (recursion arrays)) virus~".
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